@@ -, +, @@ --- C4/Letters.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/C4/Letters.pm +++ a/C4/Letters.pm @@ -1253,7 +1253,7 @@ sub _add_attachments { foreach my $attachment ( @$attachments ) { $message->attach( Encode::encode( "UTF-8", $attachment->{content} ), - content_type => 'application/octet-stream', + content_type => $attachment->{type} || 'application/octet-stream', name => $attachment->{filename}, disposition => 'attachment', ); --